Merge pull request #1236 from cylc/renovate/yarn-monorepo

chore(deps): update yarn to v3.4.1

Author: oliver-sanders

.yarn/releases/yarn-3.3.1.cjs

@@ -10,4 +10,4 @@ networkSettings:
 
 nodeLinker: node-modules
 
-yarnPath: .yarn/releases/yarn-3.3.1.cjs
+yarnPath: .yarn/releases/yarn-3.4.1.cjs

.yarn/releases/yarn-3.4.1.cjs

@@ -107,5 +107,5 @@
   "resolutions": {
     "webpack-dev-server/selfsigned": "^2.0.1"
   },
-  "packageManager": "yarn@3.3.1"
+  "packageManager": "yarn@3.4.1"
 }